import { v4 as uuidv4 } from 'uuid';


export const getUUID = ()=>{
    //先从本地存储获取UUID
    let uuid_token = localStorage.getItem('UUIDTOKEN');

    if(!uuid_token){
        uuid_token = uuidv4();
        localStorage.setItem('UUIDTOKEN',uuid_token);

    }
    return uuid_token;

}
